seydx
65 lines
1.2 KiB
Go
65 lines
1.2 KiB
Go
package tutk
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import (
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"fmt"
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"net"
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"time"
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)
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type ChannelAdapter struct {
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conn *Conn
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channel uint8
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}
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func (a *ChannelAdapter) ReadFrom(p []byte) (n int, addr net.Addr, err error) {
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var buf chan []byte
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if a.channel == IOTCChannelMain {
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buf = a.conn.mainBuf
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} else {
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buf = a.conn.speakerBuf
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}
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select {
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case data := <-buf:
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n = copy(p, data)
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if a.conn.verbose && len(data) >= 1 {
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fmt.Printf("[ChannelAdapter] ch=%d ReadFrom: len=%d contentType=%d\n",
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a.channel, len(data), data[0])
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}
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return n, a.conn.addr, nil
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case <-a.conn.done:
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return 0, nil, net.ErrClosed
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}
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}
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func (a *ChannelAdapter) WriteTo(p []byte, addr net.Addr) (n int, err error) {
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if a.conn.verbose {
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fmt.Printf("[IOTC TX] channel=%d size=%d\n", a.channel, len(p))
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}
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_, err = a.conn.sendIOTC(p, a.channel)
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if err != nil {
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return 0, err
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}
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return len(p), nil
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}
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func (a *ChannelAdapter) Close() error {
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return nil
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}
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func (a *ChannelAdapter) LocalAddr() net.Addr {
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return &net.UDPAddr{IP: net.IPv4(0, 0, 0, 0), Port: 0}
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}
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func (a *ChannelAdapter) SetDeadline(time.Time) error {
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return nil
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}
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func (a *ChannelAdapter) SetReadDeadline(time.Time) error {
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return nil
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}
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func (a *ChannelAdapter) SetWriteDeadline(time.Time) error {
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return nil
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}
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